How do I check the validity of the Canadian Social Insurance Number in C#?
- by user518307
I've been given the assignment to write an algorithm in C# that checks the validity of a Canadian Social Insurance Number (SIN). Here are the steps to validate a SIN.
Given an example Number: 123 456 782
Remove the check digit (the last digit): 123456782
Extract the even digits (2,4,6,8th digith): 12345678
Double them:
2 4 6 8
…
